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CemTest

User Manual

Cement Strength Tester

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Summary of Contents for CemTest

Page 1: ...CemTest User Manual Cement Strength Tester...

Page 2: ...test Chapter 6 Preparing the sample Testing cement strength Entering the cement type Entering the density Rho p Entering the fineness of cement P Entering the consistency of normal paste H Entering a...

Page 3: ...Charging Chapter 12 Reset the instrument 31 33 35 36 The images may not perfectly or accurately depict the instrument The illustration is purposely designed to demonstrate a principle or sequence of s...

Page 4: ...d complies with the requirements of the following industry standards Manufacturer CST Instruments Limited Address 5 Leys Avenue Letchworth Garden City Hertfordshire SG6 3EA Country United Kingdom Prod...

Page 5: ...ain office or local agent for repair replacement Do not disassemble or substitute components as this may impair safety and invalidate safety certification Only genuine CST replacement parts must be us...

Page 6: ...Limited www cstinstruments com 6 Instrument overview The CemTest Instrument 2 5 LCD colour display Protective rubber sleeve BACK DOWN navigation button FORWARD UP navigation button CONFIRM OK button...

Page 7: ...com 7 Testing Kit Contents Air release Probe Probe connector USB charging cable Digital scale USB Memory stick Charger Please ensure that the air release hole is not blocked by debris or submerged du...

Page 8: ...ng on the instrument Press and hold the OK button for 3 seconds to power up The startup screen will appear Do not connect probe until the time and date are set Press OK button to access main menu 13 1...

Page 9: ...9 Press OK to display the Main Menu Navigate using the navigation keys to select the required option To confirm press OK Press OK button to display MAIN MENU Available MAIN MENU options are Set date t...

Page 10: ...ult retrieval From Main Menu select Set Date Time option To change date time settings see instructions below Currently selected value option is highlighted Use NAVIGATION BUTTONS to make changes Press...

Page 11: ...achieve high strengths with strength enhancement additives with no more than 1 Connect the probe at the top of the instrument please ensure red dots are lined up when connecting When dip probe in Ceme...

Page 12: ...ase hole is not submerged Wait 10 seconds for the conductivity readings to stabilise and press OK This will store the conductivity reading on the instruments memory Remove probe from the water cement...

Page 13: ...CST Instruments Limited www cstinstruments com 13 Testing cement strength Scroll to the perform test icon on the display and press OK Perform test Press OK to continue 20 0 35 41...

Page 14: ...T Instruments Limited www cstinstruments com 14 Select Cement Type 21 2 o Rapid 14 48 45 Thu Apr 16 Normal Slow Press OK to continue Use NAVIGATION BUTTONS to select cement type Entering the cement ty...

Page 15: ...ensity of Cement 2 8 3 3 g cm3 p 2 8 20 0 C 35 41 Entering density Rho p Rho density of cement powder determined according to BS EN 196 6 2010 using Pycnometer CEM I 3 2 CEM II 3 0 CEM III 2 9 2 8 Pre...

Page 16: ...pr 16 Fineness of Cement 2800 5800 cm2 gr S 3750 20 0 C 35 41 o Press OK to confirm Use NAVIGATION BUTTONS to increase or decrease value of P Entering the fineness of cement S S fineness grinding of c...

Page 17: ...hu Apr 16 Consistency of Paste 22 35 H 22 0 20 0 C 35 41 0 Press OK to confirm Use NAVIGATION BUTTONS to increase or decrease value of H Entering consistency of normal paste H H consistency of normal...

Page 18: ...OK 14 48 45 Thu Apr 16 Additive Size 0 35 D 15 0 20 0 C 35 41 o Press OK to confirm Use NAVIGATION BUTTONS to increase or decrease value of D Entering additive size D D additive size regulated by BS...

Page 19: ...Use NAVIGATION BUTTONS to increase or decrease value of v Nu Entering additive type v Nu v Nu additive type Please refer to the table on page 20 which presents the calculated values of the impact for...

Page 20: ...mestone Ground L 1 7 1 5 1 4 1 3 1 3 1 2 1 2 1 1 Limesone Killn LL 1 8 1 6 1 6 1 4 1 3 1 2 1 2 1 1 Composite Cement M 1 6 1 5 1 5 1 4 1 4 1 3 1 3 1 2 Sulfatresistant Cement S R 0 7 N A N A N A N A N A...

Page 21: ...ress OK to confirm Use NAVIGATION BUTTONS to increase or decrease value of Z Entering water cement ratio Z v Nu additive type step is skipped when additive size is 0 Table to right presents calculated...

Page 22: ...K 14 48 45 Thu Apr 16 Curing Temperature 15 30 degC t 20 20 0 C 35 41 o Press OK to confirm Use NAVIGATION BUTTONS to increase or decrease value of t Entering curing temperature t t temperature of the...

Page 23: ...ments com 23 OK 14 48 45 Thu Apr 16 Curing Time 1 28 days T 28 20 0 C 35 41 o Press OK to confirm Use NAVIGATION BUTTONS to increase or decrease value of T Entering curing time T T curing time full cu...

Page 24: ...Consistency of Paste H Additive Size D Alkalinity u Additive type v Water Cement Ratio Z Curing Temperature degC t Curing Time days T 14 48 45 Thu Apr 16 2 8 4 0 22 0 15 0 0 015 1 0 0 45 20 28 Press O...

Page 25: ...s Limited www cstinstruments com 25 Cement Compressive Strength Rcom 0 00 MPa 14 48 45 Thu Apr 16 Press OK to confirm Cement test results After each test this screen displays the final compressive fle...

Page 26: ...com 26 Press OK button to select OK Cancel 14 48 45 Thu Apr 16 DO YOU WISH TO SAVE THE RESULT Log result 1 out of 100 Saving results Use NAVIGATION BUTTONS select OK or CANCEL button Each test can be...

Page 27: ...ctivity and temperature measurement shown below HOLD and the conductivity measurement values will be flashing Press OK to proceed to the home page and then perform a new test You can change or input n...

Page 28: ...CST Instruments Limited www cstinstruments com 28 Press OK button to select View log Viewing the test results...

Page 29: ...ww cstinstruments com 29 Test results Press OK button to continue Press Up Down to scroll through the logged events 13 11 12 Tue Jul 16 Press Up Down to view test results on the screen Use NAVIGATION...

Page 30: ...button to continue Event Date Time Cement Type Temperature Conductivity Rcom Rbend Rflex 001 16 04 17 10 48 44 RAPID 21 4 47 91 47 89 12 05 5 06 14 48 45 Thu Apr 16 The event will be displayed on scr...

Page 31: ...e access hatch using the latch at the top off the access hatch 3 Insert the USB Stick into the designated slot make sure instrument is on 4 The download will automatically begin 5 Once the download is...

Page 32: ...ECT UNTIL COMPLETE 13 11 12 Tue Jul 16 USB DOWNLOAD COMPLETED 13 11 12 Tue Jul 16 The above screens are displayed during the downloading process Once you have the results on the memory stick simply pl...

Page 33: ...CST Instruments Limited www cstinstruments com 33 Erase log Old test results can be erased from the instruments memory Press OK button to select Erase log...

Page 34: ...CST Instruments Limited www cstinstruments com 34 Press OK button to select Use NAVIGATION BUTTONS select OK or CANCEL button Erase the Log 21 2 o OK 14 48 45 Thu Apr 16 Cancel Erase log...

Page 35: ...cable to the top of the instrument and the other end into the USB plug please ensure red dots are lined up when connecting Can take up to 5 hours to fully charge The lights on the back of the instrume...

Page 36: ...ons please reset your instrument 1 Remove the rubber protective casing from the instrument 2 Take off the access hatch using the latch at the top off the access hatch 3 Insert a blunt ended implement...

Page 37: ...CST Instruments Limited www cstinstruments com 37...

Page 38: ...ited is not responsible for printing or clerical errors The images may not perfectly or accurately depict the instrument The illustration is purposely designed to demonstrate a principle or sequence o...

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